// Copyright (C) 2014 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 13.6.4
description: Unmapped arguments object mutation during traversal using for..of
info: |
    "Unmapped" arguments objects should be able to be traversed using a
    `for..of` loop, and dynamic changes to their contents should be reflected
    in the iterated values.
flags: [noStrict]
---*/

function Test() {
    var expected = [1, 4, 6];
    var i = 0;

    (function() {
      'use strict';
      for (var value of arguments) {
        assert.sameValue(value, expected[i], 'argument at index ' + i);
        i++;
        arguments[i] *= 2;
      }
    }(1, 2, 3));

    assert.sameValue(i, 3, 'Visits all arguments');
}

// preheat
const NUMBER_OF_PREHEAT = 1;
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}

ArkTools.jitCompileAsync(Test);
assert.sameValue(ArkTools.waitJitCompileFinish(Test), true, '[JIT] JIT disabled.');

// test
const NUMBER_OF_TEST = 1; // or 2
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}
